13... e5d4  14. f3d4  14... a6c5 By somewhat tortuous paths, the position has reached a typical battle of the King's Indian fianchetto variation. White has more space and the possibility of attacking the d6-pawn or advancing with f2-f4, g3-g4 and so on. Black has the strong bishop on g7 and some chances of counterattack on the queenside. 15. d1c2  15... d8c8 